Home / 33,138.27-45,715.93-22,379.65

Finding the Fourth Proportional to 33,138.27, 45,715.93 and 22,379.65

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Solution

The fourth proportional to 33,138.27, 45,715.93 and 22,379.65 is: 30,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.27 : 45,715.93 = 22,379.65 : x
  2. Step 2: Convert to fraction form
    33,138.27/45,715.93 = 22,379.65/x
  3. Step 3: Cross multiply
    33,138.27x = 45,715.93 × 22,379.65
  4. Step 4: Simplify right side
    33,138.27x = 1,023,106,512.82
  5. Step 5: Solve for x
    x = 1,023,106,512.82/33,138.27
  6. Step 6: Final answer
    x = 30,873.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.